{
  "id": "openapi-response-check",
  "name": "OpenAPI Response Contract Check",
  "description": "Check one supplied OpenAPI 3.1 inline response against status, explicit JSON media type, parsed JSON body and deserialized headers. Exact status precedes class and default; unsupported references and schemas are explicit. Not full OpenAPI validation, wire decoding, authentication or request execution.",
  "category": "protocol-assurance",
  "priceUsd": "0.01",
  "pricingStatus": "proposed-unverified",
  "pricing": {
    "unit": "one successful operation call",
    "proposedNominalUsd": "0.01",
    "sixDecimalTokenBaseUnits": "10000",
    "subscription": false,
    "includesPayerWalletOrNetworkFees": false,
    "liveQuoteVerified": false,
    "condition": "Actual SDK challenge is authoritative only within the caller's explicit authorization; configured six-decimal token peg is an operator assertion, not a conversion guarantee."
  },
  "intents": [
    "Validate supplied API response body and response headers against OpenAPI",
    "Select exact status, response class or default before checking JSON output"
  ],
  "whenToUse": [
    "Validate supplied API response body and response headers against OpenAPI",
    "Select exact status, response class or default before checking JSON output"
  ],
  "whenNotToUse": [
    "Full OpenAPI conformance, reference resolution, parameter serialization, wire parsing or live API tests",
    "Proving absence of body is an error solely because content is documented"
  ],
  "capabilities": [
    "Exact status > class > default; exact media type > type wildcard > global wildcard",
    "Reuses the bounded safe-json-schema-subset-v1 evaluator",
    "Source: https://spec.openapis.org/oas/v3.1.1.html#responses-object"
  ],
  "limits": {
    "inputBytes": 100000,
    "outputBytes": 400000,
    "jsonNodes": 12000,
    "depth": 20,
    "findings": 150,
    "findingJsonBytes": 300000,
    "declaredHeaders": 40,
    "schemaEvaluationsPerValue": 50000
  },
  "related": [
    "openapi-request-check",
    "openapi-lint",
    "json-schema-check"
  ],
  "errorCodes": [
    "INPUT_LIMIT",
    "OUTPUT_LIMIT",
    "COMPLEXITY_LIMIT",
    "INVALID_NUMBER",
    "INVALID_UNICODE",
    "UNSAFE_KEY",
    "INVALID_TEMPLATE",
    "UNSUPPORTED_TEMPLATE",
    "INVALID_HEADER",
    "INVALID_ETAG",
    "INVALID_REPRESENTATION",
    "OPERATION_NOT_FOUND",
    "LINE_LIMIT",
    "EVENT_LIMIT",
    "LINK_LIMIT"
  ],
  "requirementsProfile": {
    "format": "declared-requirements-v1",
    "facts": {
      "execution.suppliedCode": false,
      "execution.remoteMutation": false,
      "execution.llmInference": false,
      "execution.paidMcp": false,
      "verification.semanticTruth": false,
      "verification.sourceAuthenticity": false,
      "verification.liveVulnerabilities": false,
      "numbers.arbitraryPrecisionJson": false,
      "numbers.model": "ieee754-binary64",
      "privacy.requestBodyPersisted": false,
      "execution.deterministic": true,
      "execution.networkAccess": false,
      "privacy.resultBodyPersisted": false,
      "payment.x402": true,
      "payment.mpp": true,
      "operation.id": "openapi-response-check",
      "operation.category": "protocol-assurance",
      "limit.httpRequestBytes": 131072,
      "limit.requestBytes": 100000,
      "limit.responseBytes": 524288,
      "limit.resultBytes": 400000,
      "limit.jsonDepth": 20,
      "limit.jsonNodes": 12000,
      "standards.fullConformance": false,
      "openapi.versionProfile": "3.1-inline-only",
      "openapi.externalReferences": false,
      "schema.profile": "safe-json-schema-subset-v1",
      "response.bodyRepresentation": "parsed-json",
      "response.headersRepresentation": "deserialized",
      "input.path.maxLength": 1024,
      "input.path.minLength": 1,
      "input.statusCode.maximum": 599,
      "input.statusCode.minimum": 100,
      "input.mediaType.maxLength": 200
    },
    "unknownPolicy": "Undeclared requirements are unknown, never compatible. Matching declared facts does not establish semantic fit or input validity.",
    "preflight": "/preflight"
  },
  "documentation": "/reference/tools/openapi-response-check.md",
  "serviceContract": "/reference/services/openapi-response-check.json",
  "errors": [
    {
      "status": 400,
      "meaning": "Malformed JSON, missing/invalid idempotency key, or payment identifier mismatch",
      "retry": "Correct the request before payment"
    },
    {
      "status": 402,
      "meaning": "Payment challenge or rejected payment",
      "retry": "Use official protocol SDK; inspect payment outcome before another payment"
    },
    {
      "status": 409,
      "meaning": "Idempotency conflict, duplicate proof, or PAYMENT_UNCERTAIN",
      "retry": "Keep original key, body, and proof; reconcile uncertainty with operator; never blindly repay"
    },
    {
      "status": 413,
      "meaning": "Input or generated output too large",
      "retry": "Reduce input; no payment attempted for validation failure"
    },
    {
      "status": 415,
      "meaning": "Unsupported media type or compression",
      "retry": "Send uncompressed application/json"
    },
    {
      "status": 422,
      "meaning": "Schema or service-specific semantic validation failure",
      "retry": "Correct input using returned error code; no payment attempted"
    },
    {
      "status": 429,
      "meaning": "Request/payment-attempt rate exceeded",
      "retry": "Wait for rate limit window; preserve existing payment identity"
    },
    {
      "status": 503,
      "meaning": "Payment configuration/provider/state unavailable, or live DNS preparation failed before settlement",
      "retry": "Check readiness; DNS preparation failures may retry the identical key/body/credential only; uncertainty requires reconciliation"
    }
  ],
  "numericPrecision": "JavaScript IEEE-754 numbers; use strings for large integer IDs/exact decimals where the schema accepts strings. No lossless numeric parsing.",
  "paymentWorkflow": {
    "discoveryOnly": false,
    "supportedProtocols": [
      "x402",
      "mpp"
    ],
    "x402": {
      "credentialHeader": "PAYMENT-SIGNATURE",
      "challengeHeader": "PAYMENT-REQUIRED",
      "receiptHeader": "PAYMENT-RESPONSE",
      "version": 2,
      "scheme": "exact",
      "paymentIdentifier": "payment-identifier extension MUST equal the HTTP Idempotency-Key",
      "sdk": "@x402/core with @x402/evm"
    },
    "mpp": {
      "supported": true,
      "credentialHeader": "Authorization",
      "challengeHeader": "WWW-Authenticate",
      "receiptHeader": "Payment-Receipt",
      "method": "tempo",
      "intent": "charge",
      "sdk": "mppx",
      "tokenDecimals": 6
    },
    "steps": [
      "Check configured readiness and the exact service schema",
      "Generate a fresh random Idempotency-Key for this operation; never use a discovery probe fixture for purchases",
      "Send valid input without a credential to obtain the official protocol challenge",
      "Use the official SDK and authorized wallet to fulfill the challenge",
      "Retry only with identical key, body, protocol and credential",
      "On PAYMENT_UNCERTAIN stop and request operator reconciliation; never blindly pay again"
    ],
    "versionedRetries": "Request fingerprint includes service release version. Retries across a version upgrade can conflict; coordinate upgrades outside the 24-hour replay window and reconcile pending attempts.",
    "docs": "/llms.txt"
  },
  "method": "POST",
  "paths": {
    "x402": "/v1/x402/openapi-response-check",
    "mpp": "/v1/mpp/openapi-response-check"
  },
  "inputSchema": {
    "$schema": "https://json-schema.org/draft/2020-12/schema",
    "type": "object",
    "properties": {
      "document": {
        "$ref": "#/$defs/__schema0"
      },
      "path": {
        "type": "string",
        "minLength": 1,
        "maxLength": 1024
      },
      "method": {
        "type": "string",
        "enum": [
          "get",
          "put",
          "post",
          "delete",
          "options",
          "head",
          "patch",
          "trace"
        ]
      },
      "statusCode": {
        "type": "integer",
        "minimum": 100,
        "maximum": 599
      },
      "mediaType": {
        "type": "string",
        "maxLength": 200
      },
      "headers": {
        "default": {},
        "type": "object",
        "propertyNames": {
          "type": "string"
        },
        "additionalProperties": {
          "$ref": "#/$defs/__schema0"
        }
      },
      "body": {
        "$ref": "#/$defs/__schema0"
      }
    },
    "required": [
      "document",
      "path",
      "method",
      "statusCode"
    ],
    "additionalProperties": false,
    "$defs": {
      "__schema0": {
        "anyOf": [
          {
            "type": "string"
          },
          {
            "type": "number"
          },
          {
            "type": "boolean"
          },
          {
            "type": "null"
          },
          {
            "type": "array",
            "items": {
              "$ref": "#/$defs/__schema0"
            }
          },
          {
            "type": "object",
            "propertyNames": {
              "type": "string"
            },
            "additionalProperties": {
              "$ref": "#/$defs/__schema0"
            }
          }
        ]
      }
    }
  },
  "outputSchema": {
    "type": "object",
    "required": [
      "operation",
      "version",
      "result",
      "provenance"
    ],
    "properties": {
      "operation": {
        "const": "openapi-response-check",
        "type": "string"
      },
      "version": {
        "const": "0.29.0",
        "type": "string"
      },
      "result": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "type": "object",
        "properties": {
          "profile": {
            "type": "string",
            "const": "openapi-inline-response-subset-v1"
          },
          "selectedResponse": {
            "type": [
              "string",
              "null"
            ]
          },
          "selectedMediaType": {
            "type": [
              "string",
              "null"
            ]
          },
          "checkedValues": {
            "type": "integer",
            "minimum": 0,
            "maximum": 9007199254740991
          },
          "supported": {
            "type": "boolean"
          },
          "valid": {
            "type": [
              "boolean",
              "null"
            ]
          },
          "findings": {
            "maxItems": 150,
            "type": "array",
            "items": {
              "type": "object",
              "properties": {
                "code": {
                  "type": "string"
                },
                "severity": {
                  "type": "string",
                  "enum": [
                    "error",
                    "warning",
                    "unsupported"
                  ]
                },
                "path": {
                  "type": "string"
                },
                "message": {
                  "type": "string"
                }
              },
              "required": [
                "code",
                "severity",
                "path",
                "message"
              ],
              "additionalProperties": false
            }
          },
          "findingCount": {
            "type": "integer",
            "minimum": 0,
            "maximum": 9007199254740991
          },
          "truncated": {
            "type": "boolean"
          }
        },
        "required": [
          "profile",
          "selectedResponse",
          "selectedMediaType",
          "checkedValues",
          "supported",
          "valid",
          "findings",
          "findingCount",
          "truncated"
        ],
        "additionalProperties": false
      },
      "provenance": {
        "type": "object",
        "required": [
          "inputSha256",
          "outputSha256",
          "deterministic",
          "externalRequests"
        ],
        "properties": {
          "inputSha256": {
            "type": "string",
            "pattern": "^[a-f0-9]{64}$"
          },
          "outputSha256": {
            "type": "string",
            "pattern": "^[a-f0-9]{64}$"
          },
          "deterministic": {
            "const": true
          },
          "externalRequests": {
            "const": 0
          }
        }
      }
    },
    "additionalProperties": false
  },
  "exampleInput": {
    "document": {
      "openapi": "3.1.1",
      "info": {
        "title": "Orders",
        "version": "1"
      },
      "paths": {
        "/orders/{id}": {
          "get": {
            "responses": {
              "200": {
                "description": "Order",
                "headers": {
                  "X-Revision": {
                    "required": true,
                    "schema": {
                      "type": "integer",
                      "minimum": 1
                    }
                  }
                },
                "content": {
                  "application/json": {
                    "schema": {
                      "type": "object",
                      "required": [
                        "id"
                      ],
                      "properties": {
                        "id": {
                          "type": "integer"
                        }
                      }
                    }
                  }
                }
              }
            }
          }
        }
      }
    },
    "path": "/orders/{id}",
    "method": "get",
    "statusCode": 200,
    "mediaType": "application/json",
    "headers": {
      "x-revision": 3
    },
    "body": {
      "id": 7
    }
  },
  "exampleResponse": {
    "operation": "openapi-response-check",
    "version": "0.29.0",
    "result": {
      "profile": "openapi-inline-response-subset-v1",
      "selectedResponse": "200",
      "selectedMediaType": "application/json",
      "checkedValues": 2,
      "supported": true,
      "valid": true,
      "findings": [],
      "findingCount": 0,
      "truncated": false
    },
    "provenance": {
      "inputSha256": "371d889a55821f9bd2ab80f9f054e30a24df0c59ea8f13ef34a0a93f1b8f2561",
      "outputSha256": "9e42eb8a67ea73a62a168a3bf735cafd6a7e6bbe981a239f6de157dff936290b",
      "deterministic": true,
      "externalRequests": 0
    }
  },
  "requiredHeaders": {
    "Content-Type": "application/json",
    "Idempotency-Key": "random 16–128 character operation identifier"
  },
  "fixedExample": "/reference/examples/openapi-response-check.json",
  "execution": {
    "deterministic": true,
    "externalRequests": 0,
    "maxExternalRequests": 0,
    "resultSnapshotPersisted": false,
    "fixedExampleIsIllustrativeSnapshot": false,
    "requiresPayment": true,
    "supportsMcpExecution": false
  },
  "releaseSnapshot": {
    "format": "static-release-reference-v1",
    "sourceVersion": "0.29.0",
    "sourceRegistrySha256": "a2b5ec09bf6c38b9d2879d746a4fded374f5928b445377b0270ef6aa8e6cac65",
    "generatedAt": "2026-10-06T15:38:00Z",
    "releaseAcceptance": "not-verified-by-generator",
    "runtimeReadiness": "not-evaluated",
    "livePaymentsVerified": false,
    "indexingVerified": false,
    "apiOrigin": null,
    "notice": "Build-time release reference. Runtime readiness, deployment, payment settlement and external indexing are not evaluated here. Prices are proposed; this file cannot authorize execution or payment."
  }
}